{
  "manageEntity": {
    "action": "Repost",
    "entityId": "351558519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4dceb6c92ba9369b971e2dbca5f06aba1ebea28172e877e98cc2deedc7fc2954",
    "signature": "0x3b978878f0cf9744977be4a5af2db4dfdb25306f1bc91d628a4a9237928027555e8b0d62dea71344ec9fa36c878af07d7b270f398d7925f90d9caf4c98e67f071b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}