{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1606499163",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ab3b129ade4b0f0cfaf45d49ffab8041926836741e2313543d0f2eb76216cba",
    "signature": "0x273f4a695cd4f30ef84aacd2c847174411e56eb5b150a4dd04983cb48bdb8ac67d9bb1b51bf9d862db4bfdb61de200204306f1e41fa82911ba3a0b97f178fdd71b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}