{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162051",
    "entityType": "User",
    "nonce": "0x74a178b0c17eeaceea68f407ed69232118a199dabe7c81ee5eb7c25d88ba919f",
    "signature": "0xa0c9242786086cc5837326200b07afec65bedae003f401cbd0562e00f0f8e92d79b8b84e1c421c5aecb31d152f692160bbb9e4083d38a045a0c86eb6dcbbbb601b",
    "signer": "0xeCb28F2b00EB20f4Ebe64748030b3e68b882A2ec",
    "userId": "365239956"
  }
}