{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x6a18aef3a0d69f81d6b8d728bcf6e3aa01d7391e0197b603fd26821adfc1fa84",
    "signature": "0xaa4798c517945d540ede37dd307c547663c59355b7d84f70d08d71d6e7d39120560c71f55489b338f6a40c3d9e7586f84f1cb1ce095d5312b8d8a853327fdb6c1c",
    "signer": "0x1887f6E99F46d7acEC60a32CB20a97A51Bb8ACaA",
    "userId": "476082065"
  }
}