{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234875",
    "entityType": "User",
    "nonce": "0xde9548e25e94aca417f61ea84aae1148b18688c85ea92f98bea68f4156bb8fb1",
    "signature": "0x1b9e8c176543d6a06144fc45910eeed843c35f6a086a7dbca14f9bb93e14e5e6680633d7fe7234fe2a52481dd4861720ee7fb7e34f60be579f37f0249df148081c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}