{
  "manageEntity": {
    "action": "Repost",
    "entityId": "900690593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa49eb7e636affbc3a2cbcfe8c9e0e12b5b376991d4b10c649a701cf00b4b1859",
    "signature": "0xf47f62412e0838e81b70343671fc270c8a13349f746d1d88b38584de5e47a5574d50d1126bf874e0e3ba59ec6694d6fc6e69c28080163e5fc6da31c6068fc69b1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}