{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x5a1c90d20f9ee10ab20035913e53ea93c13758a419210b24eb5e382103a721ee",
    "signature": "0xd59453758c82ebc5faf68f6a8469edabd0e3b82ac8a1538a9a655d030a5363c711d06249a83fbca35550f87c3d6047601dade3cbcf3438a3a09f381355f200281b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}