{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "960588283",
    "entityType": "User",
    "nonce": "0x3f4d1593d72f6c228cf163f55a6d7dc52f1b412a7943ce22964be27fd5ae49d7",
    "signature": "0x314cd9b49524f63b1e9cc8a37b24d42fcca9cc3367d1a5f5cfa1ef90afbe84ea46417f5a5f810473f43ba306764e01e158812f5e83aae427a795dc0eec2824e31b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}