{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166148",
    "entityType": "User",
    "nonce": "0x02177c214b3af2a561771bfb672854353a535c00e12e56d2e0e6c54c7c2aefc7",
    "signature": "0xb445c5c9a48016a8865b87af2b1171f80c0d264083e616fc04cc445d716aa144615e2930c951839c947fb5b0c26b88b27bba943314eec4f2a5b329ca014c4aab1c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}