{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84ab0a503c4344426026bafb72ee759d31213e1140128c6d18488fc5a368ab91",
    "signature": "0xae1a9e42e4a3d2ae3b91f6c0846a3aa24e6ed229880f2a32db231debff224316672d9e1edd3a98ac1b11bacf5db50f8db3de0fcb4bd14f814a73f8b1473919f91c",
    "signer": "0x629A91FC5aE7903F95d82De8d240E2B088c1c545",
    "userId": "484331631"
  }
}