{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0x0a10a81dc540bb84f251381c804ab1721b6cfa2906c27398f72e094fa5794984",
    "signature": "0xc2a4356641d17b120901a36d7af5db319af7c4158dd2802a27b35a2aa9a0694d070de4891d9b3cfc3fc84a351cd521df3955fd5494a138f212959ab1205127011b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}