{
  "manageEntity": {
    "action": "React",
    "entityId": "439874925",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"entity_id\":397560146}}",
    "nonce": "0x7e2d9b7ae1548e828596273fb560110370a40eb4c86121ec7cb852d0590ed606",
    "signature": "0xe1be9eedcb77db4206ff8e646faf3da01a2c1d3a803dbb373e43e4fb9346143b5e221836931bd51e01c107c1feba60301f65cb9d087f711a1d0642737dd7d45b1b",
    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
  }
}