{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61741",
    "entityType": "User",
    "nonce": "0x00022e23b800381b292a805c41e7daa5d034de62ecd46797f81a11b3b05c3c32",
    "signature": "0xa5e30c586dc005ad61886cbc67482fb5768323c4e8fcd99312caf8ff879f63d0237b836b374585469e95bdaff96d53237d3e51f3ffea281cf7a4de22becaeb971b",
    "signer": "0x16BE3cc7Ee03C75AD10a94fb7234B045D351825c",
    "userId": "66529124"
  }
}