{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa12859ae4ad0d996c5210c79c1aafc5625c9117cb159f79fc82cb6a78ea7e100",
    "signature": "0x1f8feee3a8bcaf6a3bc2de5f4c8041dc50746b4839ef19fb9451e0104cf4997c5d99b8fc87af6d844c79f79528f688056db26b9ced623dff35a63a68503455291c",
    "signer": "0x26590991A284e05EDE76d2E67AeD8f75686f0AbE",
    "userId": "926542316"
  }
}