{
  "manageEntity": {
    "action": "Repost",
    "entityId": "512616750",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xad0f6ec74b90d8cfc53a080c46860c86c5adaa5cec36251cd82c191e5f9ca6c5",
    "signature": "0x4cc57643ca44e969528f046244e64a56c4c0acbc5e498c2c9f495777721d2f6b6e8ff59a3629e707e1dcc5f2511391d81c673a8937fc2dfa764923d3de61f5ff1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}