{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0cd5231a3f14d14fb9916b95664b71b85fac9dc0f3aa36f80ba3903cd7efcee5",
    "signature": "0xe4a38e8f1e30485d9f83f7a4153aded199acb4369a128e95df4ecd29666521792cad5032cef8b0d223bff59100cd4ac53cec5e99da91e4e25863d94d46cb316d1b",
    "signer": "0xf11E5497244242714D00F5B7958b3bEa52524f22",
    "userId": "797931239"
  }
}