{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1b18842d0c0fdd793aad6dc384adbbdc7cc20fe07c8435188a5d622985a818d9",
    "signature": "0x643285d508fcf4bb8af08bb200e382551fcb95c01a18aab6d771b525fc43384815a240615e2b32e759812c5fa515f9fabf14b0988880874e91f543b4eb2093851c",
    "signer": "0x1046340eB2AAC098c49604cfae80C7c2920af3f3",
    "userId": "206168058"
  }
}