{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12427",
    "entityType": "User",
    "nonce": "0xc1e31ca26580a4c11805ddee40d271598a1168f1fc87d249f132f339e229b212",
    "signature": "0x3bafd2d44ce491cdca199f7081d9549ac9123358c7a8594ee4f0d4ac8bc43f5f34c3249816d16ac97d80017bb645cee8f0db5b05bf769146eba1a24352436c3b1b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}