{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604148143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4014e308eb975d7c5859c68a0d51defb572bca56060d831a575b6465063e84e",
    "signature": "0xd3e29e926f9438b5e686a62e8b4d0433f0c0486a57af86f50119519f542dbf2e749a7c5eb5d0b21a646e4436e73729106a7e124f4e632486bcc4c8afb4803f611b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}