{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490519874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x511e4c90926ca1ea9fceef10e71970899805e8f97b556d6e4885cc7b1943a923",
    "signature": "0x506323552d6862f00ae33e019e799de7dc838c76998376c42bd90235fd72a12f47d963b2133b49cd06e7e38a63687e80c28113d7db53f96726371bc7ee0a54e91c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}