{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "579748492",
    "entityType": "User",
    "nonce": "0xf67e3f695bf36b080f1f78aad228b8ff976f24e795cb9c08d476ec25de35a5ee",
    "signature": "0x1ce194af604ca0388789ec21035888fc727d522a9ecd6405e69767ad82b305f461f2c1f5e48b9e078642f69520a9653d64cac523c2cd6448f5319d054288dd2b1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}