{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101297",
    "entityType": "User",
    "nonce": "0x5e4e82a3b6a9873f1f61c36ffabd78b84a44af6db0b2cba59cbb4787676133c3",
    "signature": "0x3bf085afb4d859eac42c29cf9a34d384998b47977e54a47beeb43aa199a8d158153c0234b26d318d9992e5ffe45e48c9a66648ca7fd9172c049dd9d432ee50211b",
    "signer": "0x4e636627B2C38e64C8D3aF5889767393B4fE6C1A",
    "userId": "181"
  }
}