{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111909748",
    "entityType": "User",
    "nonce": "0x77eea46aed014e0a1617f5c7f0187b34547f4ee99ec052fb078b8a57f49688b1",
    "signature": "0x3b01584cd9b0db7c9544c5758901eec57a5c33dc21e0b7c8e009cb7020f6b1b30d0e2c1471e62593013ab2d8f332eadbacddd522f539583277aca3d542b4dad91b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}