{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513546946",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x857c837b0abc299d17bc983cca735d3ceb822050b0d2e8a4dd8d7b10ec928f19",
    "signature": "0xfca32e2ca72965622e19b943f4400116d2cb2e11c3bec3ebcca2db62ecddeea11faf3490154568fa1877d830d1fbed06bffd027058837bf608c7292e211f3fb61c",
    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
  }
}