{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0x4f2539f9f87cdd96263ab48509d76d1384e56802c7b8cd534786e2276060362b",
    "signature": "0x20d975b7e6aebcb5082ced98cf20101d1c15338d8a988a3e4f687cf9ac81908b378e8d0e52bcbef98729189e1f89ff1176df0e395abbeaf3c25e90cb2d5a25861b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}