{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489516877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xff61346bc62f7a73cf398ebdbee4dfed379957d070b7c560895ddebf97a5e3ad",
    "signature": "0x1ad6585cbcf964de7a34ede0f408ad093555efafcc64c1d77000011a7d45957d22b71e08aea6b19cd89da27a02956c9578affca2cd1548e34389f937e04f99fd1b",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}