{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xb564eb4f0fac5d09ec49a0a0180435bc6c0741e6f829ac4e7f0fe731520f0c3b",
    "signature": "0xe8da4900abe4cac9a6dca93ade91cb7b521b795b92c7122e91be399f5d1bd7af418d1253f2c92b3797aaea4a0a4bd52b8c0b4356a4260b867a7b4f0c54b4b0411c",
    "signer": "0x4771D256e7217EB6B247e8cBaFbbCb199424a6b2",
    "userId": "836389559"
  }
}