{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855326662",
    "entityType": "User",
    "nonce": "0xc29e8f955ca5ea44ea61443e8c06726fa6afa9aecd456bf9e51cc1e787306f9f",
    "signature": "0x480e3f193e1c43acf92ef73fbe3893455a88e76681236672e7548645c8ca2fd948a97664e899d435d3a8c61ab959a323a16b683086de8b44d1096a53757038831b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}