{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125858",
    "entityType": "User",
    "nonce": "0x1ba766ae294d351fd5517294e5155bd529d755768cbb28671c2629acbd35c4d0",
    "signature": "0x36f739334ea6f0e451b964850d319f6be07a1f07218e55908462e47f071341c2633cc2ddbf9cbb9c490251118bb6e0d3467293664f12f5e0831ecf5c5a003fe71b",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "2047015"
  }
}