{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621883692",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe0f0c2675c669a6d4d2c5a2522b575cb957ad90bb1c5bec32aee516923b76c8a",
    "signature": "0x9bfc95d24a7775c56cff7480274bb3239c0746c64f4a87a304e6816aa5ee2df405b2f8b2476b1c4dc2f4ee9fa54633051ce3ab65d0085635727119fba08ad8881c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}