{
  "manageEntity": {
    "action": "Update",
    "entityId": "58263579",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3g6w7hb33yx5nxxsojsgl5nwvieez5iax6t6y5swjgqwv6d244ma\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1803143457}]}}}",
    "nonce": "0x764e6092613c3cf7951bc0e0341a003a4e5a44d0fa2856a1383455287f3a7bb7",
    "signature": "0x94f85a17365f854a642cf97ec9b3fbbe21ff8b2838800d520cc706c39bbda6ba6a4e10a969691a91dd3fb7505498f8ee99ab3c3e78b3d0f65e46f4214daa00f31c",
    "signer": "0x66f5043296664fF395A7cEfBBd8dA90224695997",
    "userId": "58263579"
  }
}