{
  "manageEntity": {
    "action": "Repost",
    "entityId": "804742415",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca3835f9dea2ffe0060873ef6123389fccc51299341ef4fb6a9bffd0047c7058",
    "signature": "0xea11a405f5730e38ec3ac2e30611e68d7c86f5b48a276f8a22b9ace6d5061e2c4a1d60a115b099133897572b8eade508b02124e5d1841f94426ad34edee840da1c",
    "signer": "0x669C207e15A757a751fd8f623DFf054C6D3D0b05",
    "userId": "121458"
  }
}