{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4d89c793bbeace7e80fda938264a43734b308a6ab8b3e609e04da9046f18550",
    "signature": "0xa30c52d30a3a2c4ec2b66cfa799706a9e911fd9bba4e377487a49af342e89d3022bbb608688c21a043433e80c5a132cd2499e518f6ab9c42c82f88af185f8f741b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}