{
  "manageEntity": {
    "action": "Repost",
    "entityId": "323917353",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a474e613f6e1ee5462ea1f14e6e5424d8bd982089f361b1e856b585e440c706",
    "signature": "0xe695154f861534e0e675f49987942629f14d7431457db2fed820a37d548ef4ab109c5c8e71fb2c858bb72c3e3cfd914c909d115d3662bf48803a7a00726f5dcb1c",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}