{
  "manageEntity": {
    "action": "Repost",
    "entityId": "974898283",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9a5784d9b97ec4c5ab19f27ed69546d53ee2f92811f1bc7f8659ec6a625e6e60",
    "signature": "0x5a31e392f432a6ee80a5131818e29e1fca5a7c678e478e1b1f2c03a764090da71e6ba30d2602628af5e80b52c38e39396742e27e76321bbe34787f3eba914c311b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}