{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76259",
    "entityType": "User",
    "nonce": "0x6396a8bbd2c79b56939d7ca96ac252b42d0fabd654074122c50c5090fe3aae90",
    "signature": "0xaff809933189286d2dd44788719598158da7ac50aedc170c0694789ebdc6c42b3ab0ab3d64dc1c95c763d779dcaba3f81a9ea9ef2c9f3cf047df9129bad072f21b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}