{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0x100ba428aee639b5054f0c2d8184ccb9c55165a747ba7e9b2bede2886c5c9c1d",
    "signature": "0xd8f36bc445282edf6e6a0a1ab20b08621795ad3a3d85c8790287a3b819ab778e50ebda75abb485f0b0d002836ec1563ad6b13c575967e2bfee7e4c1aedb2d1ab1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}