{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xdc3d251b4973ac107966fb9f0ca8396a490f6e65b324244ab6077b69263061bf",
    "signature": "0xd3a9698464e8fe0a8476e9fe4f6ac97d4eb053fb0d326c4ee553d01edad7dfe72f34dedf919e2b319df2d3872c4657eb102f7697f4fc7bd74ebb808547f52e381c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}