{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0x3cf5128f82c1bbbab648d7d89e2a2a5196a21100e3fc6117ccb3462726affab2",
    "signature": "0xd7877bd2d6a6106de67cc1779b242f18d31c1b346bf5d476877e692f9c129b3308a2368a0dd1c2ffa8c5c8c0e654cc494e85a5447220cd294194f620c01b55881b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}