{
  "manageEntity": {
    "action": "Repost",
    "entityId": "840341833",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x93db6abeed3154146fd251422ac8ee2a1de71e3cb94c359a96b1bd3b87df5e57",
    "signature": "0x7dffb994454d8c17be1752b850bc49070ccca57d082999f020806d58efcd3fdd46e0b64ac6cd31dcf73193e8a7337fe0beb2a9fce45b97199f5dae7c74204c2b1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}