{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6722",
    "entityType": "User",
    "nonce": "0x4496c795cfa7f5180152a345796e56c456e3c42abe8fecfba9f1c4f9d9eed13d",
    "signature": "0xd6733ae00494ae951e2a6da402d16a12da4bc4d4a159837e399d3acf6ad8722274c967f57a70bee990f33fbed4ea8f9f83e857371267fd5539470488ca538c101c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}