{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfd8be47c6e83d0f9b70b7805929c0c1ee61dc52ab90ae015d0ad86f616ffe8e6",
    "signature": "0x25d418216492da010f6ad346f17c02ba8f78c7c0d95e8e487a41b3548ce5a69969fe531d1a9d23d1c2c2b33259447afaf5dae10be07c6a39ba6e748fa5fc78e91c",
    "signer": "0xE5095013A3fC4cF11919998DBcCFC0Ae84D32963",
    "userId": "306008852"
  }
}