{
  "manageEntity": {
    "action": "Repost",
    "entityId": "687609760",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4df140212af3540d64cf8bedb61236b0e2d0093c6cb84bf9f028e7a5dab07e2a",
    "signature": "0xa432c30e76ac7006d1e569903ecd610401ebd60b51430747e29e693b51a1db506ec4801d437c213b84cd8c8e872bec25ce088abe04b3f7b653e10a5082c2f7571c",
    "signer": "0xb1B522e4c290853bC2ABb1D802d311A7EB1e696B",
    "userId": "94334210"
  }
}