{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65468",
    "entityType": "User",
    "nonce": "0x32fbb18c6ace05719ab6d9545ce670ce7c827dad07596ead05f30c0edf441c0f",
    "signature": "0x213c346f50cbf3fda0984d6aabe58788fd470186b4e7feb279c18b97834020a7004c8cbc24487445b33d51f43fb56a6547fddba2788b8e78c36c1a0ca6e0347d1c",
    "signer": "0xC2A9E3b7F06e60ef97DFB73522582B613021cf7A",
    "userId": "265825696"
  }
}