{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4f9c9fad95c874a57ee4cdc2f3e6598d5583b9a7d60bcd6e1c82be629066c874",
    "signature": "0x66a996ad23b4f7aa891244f57ef393368dacb65cfd430ee6018454b41dfc5264099c1b808b687dd17fb7df4a3b2991fd2d9d1f85e04b804f74ecabe2404455221c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}