{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x776d77909a176be6e48c88536ff22ea4bbc1f20b018e6733d03f7daf94ffa5cc",
    "signature": "0xf3ddcc6d3e836a02bc87b8d7ea22705d84d262be562b459ae4d8aeef02fe0e51634665c937240a8ce307a836f5e4e38f70c3fc6a1d86ee2c054eca1c97344c781c",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}