{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107423806",
    "entityType": "User",
    "nonce": "0xeee7a44764b29741aaafb42045b02308cd9d302cfabd4b6c5a4ee45364e0bfce",
    "signature": "0xd94fdaeae3084355d7f7e31e1d9def9e8e7ffa96bbe2647dde7287e75f0f10e41d4011003f960c0b3f5dd4a813732d25755509164d0db0e5eb40c33a7f40dcc01c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}