{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900901343",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdde30780f8aeffc5b71edf502adfbe50469c0985c77bc9423cb8ae432a8fb0df",
    "signature": "0x568f096bb585cf3e4910e18d7176e0593ba33ec174268a6d8b5eb65918a184212a1b4519923666acbdb2b749ca6b102fabcdd1a4c6b26f8ebc7e3fd4b097cffc1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}