{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31724295",
    "entityType": "User",
    "nonce": "0x47f2ea5175b796a6e3a75e9f50904323c253c9e416e19ba910ee2966babe231c",
    "signature": "0x003566eef6bcc5d5a9bc3e5a02552143ec13a8e67d280d8af1ae7be7e38d17f9124d571ec3b89280935f2ed549807b3e39d5ef2ab870a6b3ab50cd8c567879e61c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}