{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0x5bdbadf150760005469df228f88114103867a1ab77369c9471dd273c8ebb1eaf",
    "signature": "0x6ec442c89d75c24dae3aa7476d630666674c036312ad470e53db38f6cf2f45fd5dface40cde9cb7dac3c5e3d70e1e7fc9760052ea3621f421ed92d3f9c0c24fe1b",
    "signer": "0x9118544389fdF944C91fbf793f23D9ad02b34dC9",
    "userId": "103748"
  }
}