{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305316",
    "entityType": "User",
    "nonce": "0x0a92a7a055e48ee5e301727c75cae18379b8e92b05e2dab165b19caa0c9bd577",
    "signature": "0x24deeab697350f6863756f750ec91b01e06814a2edd02d907b3fd26db1189525658ed8dd4553582439bae20e4130d56d9530ae2901310c40e81f3268f017c2e11b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}