{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1299294744",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb955a3d9db0899a0ddc83f0b19eb96fa2e6c9860ac0a2fc22225ab7b1f2fcfd1",
    "signature": "0x7e6ce20c47a71e32d0c4a0782c28b7ce27f10a02d9b18cc11ec2b32fac6c93f450e0ad3bc4c9bd2d10b70c51d7191264bd78fc675ce3ed3e4232b7e1ce27618f1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
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}