{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360621402",
    "entityType": "User",
    "nonce": "0xcd3b272358c54fd74a5b4348654980323d2b458cd382120f312a3add6ff0d4fb",
    "signature": "0xf304fea586cd639848928de6761e772b05e45dbbc6e60faa626661de429e7c000d6a62634cf49a174ada9d7a8e30b47ae383561c685efb51ed222ce4053680f31b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}