{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555853707",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8a034694004c957b17500f44bc23ebe4a49f70923f45ed69610c7c18fe2981b5",
    "signature": "0x4a8cb00492d0e216b4b15a06a3ba01a2c83431902542020ce74420b9c104afb62f54dd951c768a96bfee2b410bcbc39de03baea9834874f7a097a1f3228e983f1b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}