{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521931779",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa0d7b06fd928e089994c3d221c1a611e98ac354b26330ad192719368377355e1",
    "signature": "0xa77f6a5eb2e0d05dd77c957f7122f572274e6e223e6e1e6166d51b5dcd987ba46e0db484d5f665515a744988a7b527b0676d0f8ed5a969920feb8e0b0bdb25f21c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}