{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x00f994b6194f1233b6c4bcd6ef903ced2cd8adcb57f07dc3f64a210c82b87d8c",
    "signature": "0xdd18b9bbe380785438f24eabfdb692b0a9d6350c018f0ae6cb6996df284b420f2281365f3c0e177400a029719dfc36a727308976936036cb2913b82180dbebfc1c",
    "signer": "0xe0EBa7645b162bbcc16E86758F58Be61472b7200",
    "userId": "927085398"
  }
}