{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1930878",
    "entityType": "User",
    "nonce": "0x56d4c6ae5b54bd9473899d6441a0d5f8db714cac6de50e713ccc7fe62eefd806",
    "signature": "0x702e216f7fa5b2ed559dfa7cef920d9bedeb7d43db1881b39f0a72500dc37a8b6a1913b41a434779c5464ef66dbd7ddfe288fca5d8e9e184d427635f4159a6c11c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}