{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x35d0cf8bb85c0a07271ed022b4cd03fa615100b760186471c8aa09a53a1f1ca9",
    "signature": "0x7667113a5d5941a730a8fecc97c47cd0070206df677e88873eeebbe38d63dd1c4789bef7455905009886179e2fb520eda2b5aa1943c2084a091515d2475f8af91b",
    "signer": "0x6fa14040992e5065F911f7468f1A5C143ac5fD5D",
    "userId": "6102114"
  }
}