{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109953",
    "entityType": "User",
    "nonce": "0xe4c0cda6fca830bdb7d2e8eb5de0c23adb51791a25af60e3fd54ee27431d6e28",
    "signature": "0x2be5f3c891929d84b7c828a0b991ba881818b5ff8d0d5259f68c946779f0cd7812e9fe8bb30b3fe27fa419119b2f5d6229d0d28ce803bd65bd1ad11db52e83331c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}