{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326952196",
    "entityType": "User",
    "nonce": "0x439f0c717838afc1667c4b7616ec011a4d4a7d85f3356f4a8d2156df79f4fa05",
    "signature": "0x65a1b33d6f741f14385227fcb39fe5c58485dc6c7faa4f92ee855e26d765092e7f1a31abdaffb3f17f9ca57522fad2ced4714785faed03a1969f5ddc17d1a2ff1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}