{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753389540",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcc4e16bfd5d84cdab1b73014d93c8884055f75328f2804871ab55ca46fc192b7",
    "signature": "0x07cc2ad5eaf32d2ad599a58b8e34cf4852e018f50c1afcb304dba019a824d6bc09a20aa9ac1bc813b9e9f3fee627a900267563014dc9a3f01963e3d541d0b8741c",
    "signer": "0x5156122E7f53a879786546b3133306b9F7814b9b",
    "userId": "781663071"
  }
}