{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0xd232555fa9a0085c5bc9e3a44adf5e5ec6869111195d91da09ff622e2f33d2bf",
    "signature": "0x91f3df1c6f96a744d636ba0884a125e6d2868041fc4297894125a865f1044b9664baa962f155a44b8ce01c61225d93ece8d1f822ccfdd8d4bb79849f8d0811b51c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}