{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405399275",
    "entityType": "User",
    "nonce": "0x4c08b51cb8ebe8d3cd32bd3157a2f7532400e4c1a061e2425b7491e8683aebdb",
    "signature": "0x4efdba1e7f229258dee451d5089a77526f5166ff1a6a48fc33d37152771f2d6c2254afed420fee972637a78b9c5d559561e0d89abe6effbf65d5c20aa292dbc41b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}