{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527061174",
    "entityType": "User",
    "nonce": "0x70f2c03a88d384002862e618a04d661cf1296267cfcf4c36222adeb9e224f1d7",
    "signature": "0x8673108dbc6aeee28ce2b04694e37b07c126f091db419e483cf6242648717afe6dc157d1db41b3da3ed8ed8e904fb1fb404b0015673eb36a35b5b5f227bafb7d1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}