{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619978042",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd31c07bb3cb2c96930472af3c72caa14fb9150370ce68a5a54d4bcfc76b047f5",
    "signature": "0xf772280857b15d2b90ca96e9499c7bdf60ee39d67ca612947530c5c22ebede840561d9fe3f7e79e1da802bf8eb9fe6a34ea84246f169b0609e50dbb768cd84f11b",
    "signer": "0x76433fcfc10E04743aB4EB98660d4B47526AD243",
    "userId": "328228955"
  }
}