{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xc001b6c92c8a78ce8e41bd63f49cdc423f71ac28e57e2162dfddbcb1e7440b99",
    "signature": "0x298566704b17cf5325a4c8fd1075f29ed8bd92b26dd06746058281ba8c26768e0e86e73f868ddf6fde65a1dcdef0b0ec0800d4ddf41c828f0d656e4a29940c361c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}