{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979252490",
    "entityType": "User",
    "nonce": "0xea952522a1eb868d144fe5f2c693a77edef9643e4ce88012079c3655ef4589e3",
    "signature": "0xbf704d0c49fd96d51bf5ec3ad0af80675b3f3bb9f363b97e9959074b581cd0507c06adc9f8eab0a7ece85566e9c2ee51f41869ba310a34bbee4d28d921abfcf91c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}