{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xa36753aaf0023705fe2986f0ce474169a2bb4ffdd52a3161090bada4f9d543f1",
    "signature": "0xcb3cae712b58f1aa330d85f57e5514a95e5659c8a2d87670543e93c0bb64ed8235bad4ac27643f8efbe86abadf05bc3c1db2d25811d64be467e20a3e6892fd011b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}