{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xee3e02f0ba873cc376be67bb55ba7b7a43a6eeb638b79d4cbbc8dddb0882c75b",
    "signature": "0xb1275fcdd12a919dc5029c1a9ceaebffcdd3f25706f78dcab27ae3fc874b09df2be19d6c51dbb3bc6fbefbb3fbae5bf72ee36fd6d7393d28ab95d161a128a9211b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}