{
  "manageEntity": {
    "action": "Repost",
    "entityId": "821909909",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d811f637eff65fcd8ac9e289f4bb84645fe04b1539a53d8986e224d5c494765",
    "signature": "0x4e992a49f67bb641467ca42b32e76d6cecef7721daa0e57d843ec42d8d8af0023552b992be041930f268ec97a93e58a3151ffc9dfedcd3643cd8104fa3bd01901c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}