{
  "manageEntity": {
    "action": "Repost",
    "entityId": "297002558",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f90605157a8f4f0a7f80cc8af280ec6c3b0bafa47f5437b9117b018244743ea",
    "signature": "0xda4ae4712c0c6090e8bf1f67808b5df392918119b7a3b5d142c7ef5ff063a62e7c3104b333c68292d795b1fb4072d4e1654e1c282919f70e61534ed28d337b2c1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}