{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8848259791664ce8308ef3cd14c72be20097847878d64db9dfd3260c4074b6f0",
    "signature": "0xbf24bd1dff1aaa3d8e4753263a8536223a4c641dacbae07ceb2aec730a02f0b460332fed4e14c22f1a8cb04df813fe05ed33f0b205a8e6945dddfb7d458c33651c",
    "signer": "0x9976A5bDB93F69653188778fe013ed45ca0c2Ab1",
    "userId": "85051708"
  }
}