{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1686476",
    "entityType": "User",
    "nonce": "0x55a9e918ed0b69ea354d083e21bb0252e729c3f01e653b9086e5e33277e50cc4",
    "signature": "0x60d924f382438769485dc02d616a756a17b5687edf98e84ecffb2267889c21ff45ce7e019827173148e0ecfae472fa9d540ef527cf98a35d1c232084940c485f1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}