{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0xba46c844231a8a8d2e55df6c11acee3339daef3fd6d0c77c840d7c9907f49de1",
    "signature": "0xe7cc16fa9d5b5fb6622f2d3868950af52f64c880c6fe67a2b13b6be117084e60095e47e7d04182367fbaad8b600622aa10e08605f4921673f40545472808f6391b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}