{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0x6f081efd76ffa6ae2889b746b6ddca6e6d27980b984a8e8f44de3a4d532fbd2f",
    "signature": "0xbb804a1550a7e27ac8a4572fe840cfefc8ab63c9be22cfdbaca1fe61056c0b4730a72f42ecd5a486087a441eb55d21102113fa9556a06124e3ee84acd9065b191c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}