{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0xd3123e0098cedb8ccc59007245fc1e94d653509a3b94c476bb54c4c550d5961c",
    "signature": "0x0d14eb31014736fd65fab611c1a1d1fd01090065050f310dfff433845741535e28af8ebf7b6c26a9590d3542927846ea1f8d225f109e8e437b3098b0ff38f72d1b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}