{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x595b5fd0e2d971e67a035bf96b18100dbef0d0f71560a4d65124db341692913f",
    "signature": "0xed6f6d5b87582f840cc2b34e2c25fc1ccc07f8ea0ba8b08013bf75f7d89e90267dc7428d9d90825349dd5ba7139be03676ee47467604ce7ace62ffcc70a291b41b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}