{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63084",
    "entityType": "User",
    "nonce": "0xe43ca1adec8cac78d890bec24b166ec02821cad499713746ea2e4a643b0db6d2",
    "signature": "0xcd295c6bb7166407ad9a2174e421c9281edf803248af1ec4e334ecc6d598880a7f7c5b935fb3cf0f1a348d1c4fa11f5536b2d9d7b7e3c94998fa04685494fc3f1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}