{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521279305",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6c22baa09c57f1752e701ec81283cbe1bffcc8675954f6fd571d04ffa4924680",
    "signature": "0xa452d25d6a39e9aa17c2dd60c11af7ea4c73b248ae1e33eaea303abe02d80cc7087717c90b548312f56fa5616d9507fb696ca8921385bfdfb9bc430ececa37821b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}