{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67284",
    "entityType": "User",
    "nonce": "0xf137fa191809c4dab64b9f94f261c6fb990ae56be80c49384afc182cc9e4bb0a",
    "signature": "0x3151b1da3c7251b1494006df5ba225100a909c0fac037e30730bb452b49436cd2af2559a25effafba256d2249faa1c071f92ba1cae42f34202b838c209edda581b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}