{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105672612",
    "entityType": "User",
    "nonce": "0x07d05a3ba571be181d88ed4cf6478f69ca1546272ba07f42ca4a1918d4ef4ac4",
    "signature": "0xeb067fc4bb1d2f745ba87bfcb613fe4913c071d0ce477098db63b50e363dbb9d0e5b6b95a1213a7438a0f552272d9af4d21c83cc1c2619577103d564896d454e1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}