{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325935",
    "entityType": "User",
    "nonce": "0x037b09dba5c14fffa067df73e67ce3ec9094b438766b147bc2362fbced4e6bca",
    "signature": "0x0c455c08eb8c3001b4cfeec79297241d7d52600bfb35471516c082723c5728b13101c8dd672b651bed04c4a7c62a27805b939358f045a5d19803d11da40df4b71c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}