{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25998",
    "entityType": "User",
    "nonce": "0xcac667ea62f278afe17367d37727a6d35c7529e525391fd2be755390b0431d92",
    "signature": "0xb0a0af18004a878666a1a9f237101e847f23ad293862ea0e8be4d883e85e7a9f4f81b9fda5a52fbf63d23618b0285e50391a0ec221c83de3067cccceb9cd494d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}