{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0xd4904e3b86a299f8b87ef6ec574c7dbd060b030c022463267c8b40d999aa9169",
    "signature": "0xc34c44f41dfe514830d03870695bb6da4ccb6b199d8f4b0b5d6677d707b7ef614173a399b9f63ac831852a54e9bc238a94ba57ee0645c290f61538f619c9bbbd1b",
    "signer": "0x22Fc85b6fce8CE12f05a05dF6894b4140b7e8bC7",
    "userId": "373394983"
  }
}