{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "53444",
    "entityType": "User",
    "nonce": "0xd4e1fb8f341e8531caa85e6544749fae74f2eaa3be26b5080c935611f6166a26",
    "signature": "0xe29b2376044297aec8192ce7817c39a94190f9ba4a22e1b619bb960e28f986b46441be8609946bd2c38bb0e88ba9342077ec0c0f223c7d2d77c58d8c01c00dab1b",
    "signer": "0x4599fa15d632f4Ad7DBa46f9bE98593924A6C534",
    "userId": "354005"
  }
}