{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x68190ee74385428b9d601972b0a8eedf6bc1c6c449b54e0073c173b6f8851639",
    "signature": "0x9a2ef6a68c78d28d385901a9d048e6c43f443246d35c63089e75bb9583719f8558218543b674a5d4f65295b7ed9b64f932c4527bcbad5886218353b4761baaa61b",
    "signer": "0xf6923D959F1Dfb3d18646BF5D1c0fCf0FbB883e4",
    "userId": "626738672"
  }
}