{
  "manageEntity": {
    "action": "Update",
    "entityId": "895976329",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2ad956f0e49dea50dd2cc6ba27bd65580a63363a311547388c797bdd04542d32",
    "signature": "0x6112dce945ba1f35987d0e62d34ac0bc669023fecc8844156fa984ebffff1ea914749c7938c0e6407903ee109d7fcfd9e22a6316b55a6e5266c667e995d1386d1b",
    "signer": "0xcAe2eF54DE79dba2f45BFa8758eDF54fa4444AF7",
    "userId": "895976329"
  }
}