{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1491129",
    "entityType": "User",
    "nonce": "0x9bd0979bfc3b1c4057264627ad287b9e7e3eb12d755411384b3851c786084ad8",
    "signature": "0x78a5147e3fcc617279f5963511a2eae83934b0c55eb7b3fbfe1d76b09b396ad9453812f35ee2dd2ce4e7736ecfad460599d4d28c0e3788f06343e794e5c5f3001b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}