{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x26b47b964838639de0ade0f81a90cbd1ef9ea15a8b2e7e9e3d27798158e9d941",
    "signature": "0xfb757a0fbbdf2fe95ee36ee0d13ebeda6c9aa05f5db439152a322fbfe6f432ea438397c85062e76426052b3b2debeb0d258b5c1db559d0f5e86d3586f90c435e1c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}