{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954169504",
    "entityType": "User",
    "nonce": "0xb36b61d29e619a6d762297f6a6d33ba268cac35db183814a698ac27a526ed43c",
    "signature": "0xc474090f8b5edfc58e28025198d0118852273dc65256085d4926a4a9610c038a61eec162460f78023d4fb4063f6df673e1f40856aa86a4583e050e97e79a03821b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}