{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "249525",
    "entityType": "User",
    "nonce": "0x9a6f24442547df5fc84c65736914fcfd88df103c52d38d9efb0b4ca43ad2703e",
    "signature": "0x72e9d5fc33ac84abd9decf9a3d9d65a1a25cb049e4fbcc22891e5e9c0e21bac31ad02891b622d1a16e1b2e6e095ff947cb173495d59fc69f9081351e0532c6fc1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}