{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0x92b9f74634842679c0a8f48471d87d82c03c2f16eaa9468882b239bce5b543be",
    "signature": "0x592cd92651262da73c35b7bb5613206f44880920818d431988f44cf2f76c5cb36ba69e5fa1ec5695c3062495b9ef1d88ec6c1a2d00bc15d73fb95c649c68c9541c",
    "signer": "0x546643B8F8164fB6dC42c93F65D31C17676Cd995",
    "userId": "305541868"
  }
}