{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757889493",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x79a8c46e494936d4fa887d5781d3410ca5d8a50880619bdb165fb670e1272253",
    "signature": "0xe68f6c557393e0916091404f906418d73a73302102d2f14bcbe07d0d9630a31a66e4f7f7466d81643f9ea3e2b19e656ca96eb798fb203107d38123fb43bdf0ed1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}