{
  "manageEntity": {
    "action": "Repost",
    "entityId": "144578864",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x05f15cbe7a23a53ce29e108f40f8da3b4ddd771420ddfd00225fcab44c2cfb2f",
    "signature": "0x3ad2c81d0f96f8a2b21fc3017d3f686a542cb77bf8b9fe0dea292370dcf4e9c0237cd463bacb8737e47401f9672588cdb56be59b588eb8858e64f61524ec03da1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}