{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333763354",
    "entityType": "User",
    "nonce": "0xc8975f2d5b3da8d9bf33269d127e957271175de3ce8a94f1bf554f85fc921b78",
    "signature": "0x822f0f5a498a22467570aaf80f21240b6cf717123babc0a3855cc7578bd4ed6c11e95062d8b382fa3d27de2d52789b9bdafed2a813e7a2efc1bff68e732457df1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}