{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558633",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa31de8e786fe4d8d89dbf8d74fed7c7e9965eddc16c9fb95d9e34541592ede1f",
    "signature": "0x8100a39f9b2c0b22014410505d90c606b55a70e51821175765493e539f883ac64eeea4439f1c2303eff460eeeff3c5eb00b32578f75bd9471e8d0cbf4184de1c1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}