{
  "manageEntity": {
    "action": "Update",
    "entityId": "980941",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapffx2cgk3htoh2wkb5tbuyv7hnywl35scxyinkxznicyoqp67o4q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1683845443},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":53481},{\"type\":\"playlist\",\"playlist_id\":142975}]}}}",
    "nonce": "0xf10e161fe8afaeb38230493db7e747207e711e1c99e61d2f2bbdb9d928229207",
    "signature": "0x803eb11c38d530642577452f4f99f8aad7af25f7cc4d74452a20e6148d54596a63c1677af1361481bbe1e058503f82fc4800932ba83f3d9bd884c1c250683da81c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}