{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489611",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x949fdd82f3d6fac228c8c480033745c6745bb93dbbba8c00a791f58f663b1218",
    "signature": "0x255cef6871ec3c39edf4d5671765e0ecbe408bf1ec082938ee65a01c50cbfb7a2deb693e4ccfc8bcb4ccf62eb7693a0776c31ab9d3ed2c19743f88f9852cb9ab1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}