{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411424579",
    "entityType": "User",
    "nonce": "0x4e946b52d48f9193c90c8b1aa86ed930ce549cb8b5c463865500c61aa4432952",
    "signature": "0xa5934628cea4c4778abeb1bc6886c32f7fb1072649ab251e73d7ec0a7aafe8056ee8e0e008fa14733dd9cfe2975ea9f79703179662eb9308cbd2661cd66a9ae31c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}