{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xe41bbe59fcf1b03f26c177f5053a44523be54c63e91b2246a375018ff04c446c",
    "signature": "0x0ffda020f88935cedc8c9a7d8c92462d8b5cdd3a2fdab890eff61d90daadb62502072a5ecd91155c8171896305dd59f7485fb0a20df4186caeff5cefaeee61671b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}