{
  "manageEntity": {
    "action": "Update",
    "entityId": "766053366",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxrxy7qmw2meqvoscuzxvlqtrtnbxsi5545j4t4b4nsx6gnmtu2aq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":27583319}]}}}",
    "nonce": "0x7b01dc2051ec85579f641ecb9de7d4202430200ab459662807996fb4abe53346",
    "signature": "0x31e4a02eded00735c7fc4702095bd175dd0dd7eb1e72447ab942ce8700bb493937d0d53669f2abfaee4e14657c7d6e2f95a587a31c990b582717fe66b85d23b01c",
    "signer": "0xE0B1Cd7F7124071739f50a64A1Fa3E5EE57a7108",
    "userId": "766053366"
  }
}