{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128354",
    "entityType": "User",
    "nonce": "0x0c9b7e18a71af885d5f81daaf40b2967ce0d2fc2ceda7a842ca92b029013b018",
    "signature": "0x9764fc915b72924010421a2746af8d9f1def89e9ffc792419e49a5638e2c5edf09161c94fe7ca3f35c1fbf302a6311c79ea6dad6502c09dc368e9a253cb6e4131c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}