{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "945818227",
    "entityType": "User",
    "nonce": "0x67175313ec96cc5fbcd7283dc9e42bce32744e38f41e340ded9ef1c6233664f9",
    "signature": "0x7924b5bd931978d2852f8104e369ccb3ef73d0d9bc91da081d4bd2581fb0121530244e18da6075bc377330aea1c6c5e41731bee0eb3aca19bff6d73a801d885e1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}