{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x7bd208c6383f30364e85b2226c731afed7038882996d95be538cc8f277783121",
    "signature": "0x1395ad42e30075615cbf5b96539b4fb942463b7b3b0bb4f2f65c8da5af84b6dd23b0dd5aa55701f6e9ac649963fb1bf4c9f1ed332dfac345966790838057bb131c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}