{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x3f2fdafbc12b1f7e05dbfdb39bde5040a9e9e3c4d7805d526c831f50d150749f",
    "signature": "0xc6671ff5fbd3801ca58d9b5c23ed3913ae9364fdcf1950559533d592f386625776b78c05e2972853157be52726de2368a57238af1176e4dcb572a2bf3f9dc0361b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}