{
  "manageEntity": {
    "action": "Repost",
    "entityId": "651994518",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1664a2a34689f42bd982be78d9fb13a61100506e6f616c3754b831320c3bf18a",
    "signature": "0x4e214c207e193fce41d9768bc66c4ee07e29808321d75222d50731494cfd0d2c58cad91b4743dd6d4c5da92ed3c97a0e4c17aca3ba4dd40cdc650289f54dad641b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}