{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "345616833",
    "entityType": "Track",
    "nonce": "0xeaeb74986e0eccbdb2f67b3f45120df0f3174c369aee1cadc9210faee663fe8c",
    "signature": "0x8c119c6da55705e0c9456bab3652f3b041daaf309f78a1b3909d587eabe9cb0a618ffff2ed3fd7d01edf7f81e6f9cdf9a8998d98d792f2cb86a0eddda86166681b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}