{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3133",
    "entityType": "User",
    "nonce": "0x97f047cb123f8f81a75a3f924d8941739bbceacc540c8b198c395aeda7623228",
    "signature": "0x4b13e918ec86c9d84a03f482acfaacb3047498449070f5cababa217e5a8ed2333e650830e9a25d72c65381bd41af422a3fbf80623e485bcb97830a031900440a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}