{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214690056",
    "entityType": "User",
    "nonce": "0x73350fefa4bba42b06a36a56270ec477a8888e5bc7b035c7395e3e092cd3e648",
    "signature": "0xf057a8f6245cb66578230108d194f2280b66d467ea17a37bdf3e48d084a613430e721aaf87742d43ea3cbf72581a80773066ac545ce0dd2b510191606913ebe01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}