{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319698117",
    "entityType": "User",
    "nonce": "0x9b73b0600efb0f3372d80516cafc7032a0a1364b5ae74921f5f7deda35520da9",
    "signature": "0x525508f2efebf7f895e589cd6a02d37a1623cd5b1a625ea69e53b673ef77ecb610e4f97fa4f9b2df9c39dde9a3143b417ee39f58ed4beaf7e1a58aa478d0fc191b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}