{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21301",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd2a73c31ce783c6cbaf0ea46cd9a3786ed59a2bdc71d2613aa5049406234d66b",
    "signature": "0xcb3eab4e620ddcea57dae21c5b155cbba94034abda6ad0af9bd9e416e2e54efe05510b8050fdb7068a137d31eef1437a71f6e7caa21c95be710f4628d429b0f61c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}