{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1fd6d2c19c3f7d1721c7ac600dc2d5067d398803f663582c056c3bfa089885af",
    "signature": "0x78adc38a2b93150a70d268a60d4b7a13edbb9bc2d74092a9b500056a187e8c626d6795ce85389ca098a18a17f2b32b0da20a42b45e5540530b0d371f4f0640fa1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}