{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16479",
    "entityType": "User",
    "nonce": "0xd54cb0dadb0d9a7250180c47dcd3951122d8a480f6639ab5ddf5a2d60607041e",
    "signature": "0x22eab0d43ef354665899b95e3a36c59c08af91958220dd95bc450a2fad653d2418582c60a08d17206ba53c8ebd02e7fc53846bae742163c2e7d3015838b521241b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}