{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584066937",
    "entityType": "User",
    "nonce": "0xdc7dec8f75421ea1a2a4703560a3a3749ed86636af354db1434632d91915b162",
    "signature": "0x06ace7898e10902070885a393a42eebe03af265d507b502cc7e6cdc581c62ff575e118267572a76d56aa85c3d34561e9b6111b9b53411eac98d9bd8e62109b0d1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}