{
  "manageEntity": {
    "action": "Repost",
    "entityId": "303875615",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5ac72d628514aff4424830d6d74fb5537ffd2602f6ac650aefa18a827efebb97",
    "signature": "0x848d8cea3f920ccf697e7483433099f7adf2abf5ae2b4c76cc7a5f74a2eaa29b15dc5daaf1634017c2a0c470b74a78322efeb1a5d0da4ff3c1f5d105d55c6fc01c",
    "signer": "0xab28764Bd1224556ebA1d8Bc48d3f1F5D2e4E1dD",
    "userId": "281054123"
  }
}