{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557291",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa39aa59f8a2e661bb32353d9b6a868121d59f873d5e91dbb6ac7a3a240c96e52",
    "signature": "0xaa9ed2d75e302703429cc0a36d3e2f96030b9b4c4aaedc546601e3481ba115ef7aea9aa843f7af978872b7d351f2e80a49cc3c33035bddaf89801b9da3453a1a1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}