{
  "manageEntity": {
    "action": "Repost",
    "entityId": "900690593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9e66cfddf2d4564dcd10f11ff093f97b3daf3bce5088a4712ac9bb1eb0a0801",
    "signature": "0x6aa8eaf6e62855f5b2979a4e8d7b20d65abbb5dadca4539bcf4d80dfd288266d70fd01562ecb45dc29e81d94eba1ae859834f68a73aa6ddc29b0d889c3e9e8a91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}