{
  "manageEntity": {
    "action": "Repost",
    "entityId": "769487071",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7cf81ecf84a0c8389b90a57bfaffe4cff002d94264afbcec3c7a1e9184cd8de5",
    "signature": "0xb3f5a73479a67251f1fa71b0fc49deada99b9c5f17de579c5db10aaeef54495c5f6a0fe6e9529de6e1902036230d7766d8d2454db590836f0da7ef5fd19181bb1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}