{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x1ec2015f2c3c1f865d8492400234cd010365d8737d0257bb5abb823504e3cefd",
    "signature": "0xcc6c08cb1616e1f99e0aabaf6c451967539539145efe0883732682f95d68b87737fe3b6af5c6690bed5e0c60f9546475232a470be9e69ff4e9817d63c87ba7061c",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}