{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14234617",
    "entityType": "User",
    "nonce": "0x630a11430d76a9c0ed409d06b5c7ed8e23353c580569f3519c0f598a80c95b96",
    "signature": "0xac9746cb990c0d3396d133a09ae29dc9ef6fb9b7b1b71aa3c0c4ffc7bc6ec7c304228f5e0752263e328f2e2986260e4784138a9472a1e343ed1985ce70e053cb1b",
    "signer": "0xfC070d9d02c152146e3D1B2cD4B03FD7a3CA1AB0",
    "userId": "539537193"
  }
}