{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x02a7b8328c8b63e2a7d54eb9f939d168c38f71c1487c2c215a40b05a8705855b",
    "signature": "0xf0e0a229da878f0b80ddb4906ec8b2460e56f2acba2de2a265e0f4f1d0829d84124a286933c1aeb9cccbd760e8dffa8c17d403fc78fe09f8b3a98da154e793c71b",
    "signer": "0xf9Bf82B2ecB609ee37250F00C0835d529331385D",
    "userId": "654530894"
  }
}