{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643215143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb0028c965bb72fb618a40d809cd035fe059c3a61834397e5803f3534e4a3acef",
    "signature": "0xc9b654224e819c1c3d23b23f12775cf9a342fb8dfc4284f7ce85369ec98ceb6f2ff481b3a8dc8580f4101f1eb0f46b9d288b153e52272e26f3c0e0dd8e8d4a601c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}