{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62723",
    "entityType": "User",
    "nonce": "0x9b25623dfbcedebbf2c9a7cd6dc69d86a7640211e9493c34441760b1b097b8a0",
    "signature": "0x5dddd7222c20aed553f108a692262d748fcd42d78df4c46caf44537369babac722fcb5a1b892b9220060856de94a1ca7edf0e2ca5bad091f42031265f84168601b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}