{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0x325a1df3434f60659d7ca4e3041a7027f836617e56fd13bfaf0179653f7f7356",
    "signature": "0x17f9355f6843420eeb9d0fbbda79b95cd463c635956837b4bfbc36c9e3c9aa5318522f904a4b63924d5829d62a97ea36e1a36ffc7080c047285cc457b78fd59f1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}