{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108470",
    "entityType": "User",
    "nonce": "0x7653aaedb01a5da3aeeb295b4b4307701de06b21fc7c3290774f8c16daef0f62",
    "signature": "0x4b6e51f82546db5e0777e7fd36fdf923a93729855548f2b52a32029434ad47a57755fc869ae153213d49fde5353534b7b927ccf0b19637cb7563ef02e5b7045e1b",
    "signer": "0xa4FF47524eAeCBad9664EBcE3a8Ce8eDEcF15c1C",
    "userId": "113039916"
  }
}