{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977815577",
    "entityType": "User",
    "nonce": "0xe746f0eab2011d94be19ab9d0cf39dc51bc51e0f9c05ae9b13d848c6aa37155b",
    "signature": "0xba10004c48b39d855e6a5be662c4bcc5512153a50e7a3902e935a8ecfc9f68e0430d99c2a1046683dbf269b897340149255e046154332715098d8e8ba5addfde1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}