{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445867891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcfb22264373ad688afaa7bf0525a3a633e6a6f433ff29623cda946e5fc139343",
    "signature": "0x30004c83ba78956405a3ce22ec2b1b712a54e511afa9e6ff947e935f3e1530404a89b99ec8947e666230d5ffa1b83b8555bdbae311967855d69f51c1dd9f8eb21b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}