{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515346915",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1959a930f290216b8fd2efee45a34e5264e1445fa1f851fa18cf1aed25d3c018",
    "signature": "0x4a7cd6274fcdf957982be6ca4314e789f9516bccbbf472dfa4e6d8edb700bd0a1978f9114973488c687a1e3efddbbf65617387e2aa31e4dafdf3c9085115abad1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}