{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1451477391",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9b00e18a5baf2b0d75b9ce771ab031daaf45b1f2f159efe18b6bced6e224489f",
    "signature": "0xc80cdf6a05a4aea1390f0882428314315dc6ac13920a1deddcdfe40a126bfcba2df1062f40e4d208f1adacf0acae44618c09c6bbbcd7b2a2b828b2e0dbcf6cb41b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}