{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121660",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa470a14570cf81c549fddd98845f62bda678c68ce26f190d75b37c2d8a41bd49",
    "signature": "0x137fc5e6bc89b718b515c61fad516d8dc31ff5f7af5b7f3ce690a8f01d8633b8140134ff186356d5e2d19a502f1b52bd63e2e51220cea482bfd30a05e67edac91c",
    "signer": "0xdB859da145eAc5f173b5a68ee5F22434899fe416",
    "userId": "881880880"
  }
}