{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0x779fe7bfa4e3fb47438cf7901897056d7b6337653eb6bfab36a575f4786c6370",
    "signature": "0x1dd9891ef45b127a43434c641558b6d88f4fee8b9a357964e6a8818e59084edf2cc2af0332c79510f0e809bc029305f95904c5e162f306569b0a0697d6a38ac21b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}