{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664718",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf98f55fe35ff6b5fa2429297f5493ac7d2fbbc9dc0f570d8ec88a58968daf919",
    "signature": "0x4e103184e5bd2d51fe3ee535ccea618bec050c92a64aacf595dd1d5e9a5895b858cd1879068b0bf4b2b92d8a6d527db2984f5a7266bd776f17dcd6dc63b64bb01c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}