{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38437",
    "entityType": "User",
    "nonce": "0x91a260b7592bba20f611b771a74c2c2a8b4d9f2b4cfb23998997e5659a081a6e",
    "signature": "0xc3895db1d33b65617ed1dab750312b855b68972cc0fd4d69e558b0839d16b736252f2696809bd239719edbcec9b318ac6d3c67aa41580b87a2628665849486401b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}