{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321417727",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x973bbe53b1de09f47e423393fcb4cee690442f9c0c486f19fb4decf0b500c4d0",
    "signature": "0xf19ea3d1e2ec80836863e1e2daa85b7afa3c09c68ecc5c4530f0fec48e70479f3d778f30a192ec19180f21f2cb59d34aa2e8a6abbaf7ce04df974c498ef011e71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}