{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1921515453",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x315a67d36ea03ba5c4b61c00d0a640ec86b85849cbab6b22603a3d450b3dee18",
    "signature": "0x9b6ea2f4d5022bda5f6987c8bc40c0acd4892374cac59aba4aad5e4134d45ba84f696534830ec8b081f59bdcf48ea2e6524afa01aa836eb8cdab1aa493f394971c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}