{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937477517",
    "entityType": "User",
    "nonce": "0xf9de02cbf60ba8da84e5fbd32fb1049d544175c6191d7b009f96e643bda3dd1b",
    "signature": "0x86efe410034607fc9f0d1dcd08c1d7efe9aa6da73310bf641241c8e09512b9595a0837d6bfac56837b9d194160cfc7fdcbfc2318ba878fa29e0bfad2e2960f341c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}