{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115325",
    "entityType": "User",
    "nonce": "0xc104c24e88aa36a19a683f1657fa5c7a007fc40ce47ec2c887d10145aca35d3b",
    "signature": "0xac53880b8212cc870949f767456184a49949ec8ff87082411f4c1112de79e5af56f874bb5a935bd912f058b281546452a66e5bb6b9d8c5a8caac7110e9e81e461b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}