{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290585321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7417ea3af1a5964b5e035afea22fd620144aacc3fb51ea572d0a1babcb6431c1",
    "signature": "0xd4da0cb4b8b928a24741111ac4e97ca4c866fd2a9d34acb5e3826b128f7e4d4c5fdf93aa41e79d250820adfdb01197bd31fadcb47a346e58d7c06fb75ad363901b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}