{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117501",
    "entityType": "User",
    "nonce": "0x107d8e0b18b63df3fbb55d21d68b0895b3a8882d70eb1a34c55217c671b518b3",
    "signature": "0x8b740f2dbc89f07aad42cd453c1cf2c814e6c0bed0d633bf54947e3474d86e1f688fba33ffc8a9efa170dcc702c0ed243719c02f1f2508813fea796313b814e61c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}