{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xb903fb9d4e38b0aaa7aac5389bf3aa0cf78e2cb330539b1b24bb02cb3f7c734f",
    "signature": "0x3593197c72bc3dbd23754959635875fff7965dc7a7f5e00919aeeb1c6d54ecfe049e15aea3c1ea147f773c40a67298ca007ee8d63bbcdefe3b591710011c82f11b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}