{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599615",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3ba5666c8be3fa4c74fdaad66dd1d081c5e9d8e195e8a2861e0e6dfa2e3cfc51",
    "signature": "0xd6b00f0fdd27391d0fc9bf81b3a5f5862ef9c94d97857d4ed12040abe3db62745289f4fe24a810a60fa55f12c64d7a81040db8127666a14ec4e6ff9c8007a1c71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}