{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xdd51399a744ec25398c4cd2f392c0bdb3aefea0426a65e38e98c7c27f242bc58",
    "signature": "0xcec4cf93f7a239919802b5ea360701826c93c1865c32f3f10c52ca6fee5a25dd5e497a8b0c105a42d38bad628752f97559dc04846d71e9bc7c4f2ee36b7a65fb1b",
    "signer": "0xAD946b49DD63583180EF36B4e92703f717684d6b",
    "userId": "1112761"
  }
}