{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644643",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2c163d18a2094b4a271302c1e5b2ca1e98afa6657da3f15df6915ae57f080b2e",
    "signature": "0x67c6c5b7f1128c9e65bc682cc478bf89fd7c3aeba962a4332376f4c7eab3b5f0130591f7ead84a5909e1011045b9209def16909efdf0c59638ae13216438f9d51c",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}