{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcde8399604f2d5626bb87fc9b925760d6622293881da23489c042a1a46c3ffd1",
    "signature": "0x3dc3fce7fdb7ddff845a3cc9e401dceb537bd12aafa496b04f25a856f2d27dff7cf7ff79ab31a55599a2b8e213cd60dc9261af7dde0697677bf3e827d8747d711b",
    "signer": "0x7BecC80331FC470e72A8032bb2d07335c44AF1ad",
    "userId": "894431219"
  }
}