{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707265359",
    "entityType": "User",
    "nonce": "0xaa550d1fc0bcacb044843e153c1a3f4f3ec8beda2b03dfc2a87e4628df78692e",
    "signature": "0x2e5f869bd68959ec13bba6633eb1287027034093d7ff1e040081f45e03039de042f7cbe093bf78fb78d755ec8358a2b95d69c4e9ebc6b068f4ba0211d40b69141c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}