{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xba16d9a0a017caedf7aa078ad9bfefd0c3390d5b7d40d36c5f6b6a6e3e599749",
    "signature": "0x6351c23d018698434e16d8ddc364581f7f881eb1abb2ea1b36e72b7a3c72021933d336ab76dab100b7ad0a345af253a1ae8199b20c381931a96cfec8bc0fb3e91c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}