{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3242",
    "entityType": "User",
    "nonce": "0x553257a0ef89143bc4b0ab0f46a04eafa31267189328b3dd8bd0094d803b0e70",
    "signature": "0xac7e3b1c638f310476ebf292d603bf3372d7f24e07732ed3661e56db28363e035ff35609ec5e20cfbb2be91a4fa9ebab39aac3a167f6304ffac82ef8224cc1e21b",
    "signer": "0x4086Dda2D91F77cd46De0859a4de37F888508faA",
    "userId": "568518925"
  }
}