{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1696734",
    "entityType": "User",
    "nonce": "0x3f218474448adcf756669f0835c8a69da4a34758a124d82d66e98da73723691a",
    "signature": "0x2935b77f08d5943d24e1334f39d31988ba11a3ce4ed2ccd8b1cb3daea99d0c132dc617a00c592bced8cecb0451c91beb5766d4e8c4feb9ad20c3c33aa64550f01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}