{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21589",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xface7b15f15f2fd779c46494248027646ab751dd483c50fe1f737d075180735f",
    "signature": "0x0bb2c29676fcb2b1db846aadbd788096c0dd6f8842337d1668f437f517b1da5a5290ddb29ad65783cf64a04bcb99610ccc6e245a8d548ed3897dd014e31854601c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}