{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8608411135e0fc2bca0788177a211d478979cad3fcdbc78cd9981fbe50c07904",
    "signature": "0x1535b177227a140c675df94ec0f7ff9c7c4e90c0e10685daa905b88adc768079486d5380ed1887ae0f39da98efc5460142c2ccab485d4230c02b7a669ffdfbca1b",
    "signer": "0xb11A87421a60283b875d2F958D27356167224eF2",
    "userId": "858465138"
  }
}