{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558352876",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75090d00e42407d9a6c9403f433685a4cdf165fc2cc5a7f98a71900bc5c7d394",
    "signature": "0x18d88d54fb1d8431549794702b24458bd8b3d717edae7e966b15ee89dd7b3a9a0366f185e4bc9d90af9107948ba425aebad954385794558eba357aa2734c58611c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}