{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1584941",
    "entityType": "User",
    "nonce": "0x54f94915fde04da6dd59a00f8141a21da548fe153ac04f25e4423fe3813c0ed7",
    "signature": "0xb041895256f0e0ba8aff6b7ecd081e954ee57628a50c58f7dd44bde4850c9e970a8e6e1e0729430d70b73397c448ee2a57de5e38caa287e063675cdf39f496901b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}