{
  "manageEntity": {
    "action": "Repost",
    "entityId": "374676646",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf19a1dd68236a361789811b801e3d55c52a5f5f2c36faacb972315909ff2b556",
    "signature": "0xd3db8be5854d320ab574ed0285e206c9248646ebe8941a9b6ca0ac1a686971a851b5c3e4f634437d790072e14b31a60bcf00ed9b0eb7387566e8ab33897b517a1b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
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}