{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544581",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfe11de83f2745f1a138c5302fd015e6c761e12888f2fce8ffb2fd7c445686cbf",
    "signature": "0xeb0b4f839e197fd68d339971962a2b8699c4045f58316bf944cb54e9eef5fa130f39c60ccec5e70eef25095526acf06c3845bfd9edb6815d5d2e6e28dc884fc21c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}