{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1383475703",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xffc4b9309daaba0a927302dad87dd9cb46fa0a1a5493441c954c03e8bc1a4544",
    "signature": "0x348ded0ad7d958c5f1b1c95b685eeafb26163bdd992cfd415e2e7769834d12d242fcafef509220a0cf32b4ffd4ed4b78f7086350193e6769d2f07d3b461d58a41b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}