{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111374",
    "entityType": "User",
    "nonce": "0x4a1a9d749fbe67bd91afaa3e3d250722d3df2f4bdbc3df2f7ea0f269198f3589",
    "signature": "0x885311d640cc8a8956a7dba503198d5d766a312191da947dd7079a022975645668f0239c975ac3461e96aa411d45ab859a8869e1334f7779459fea824abcac031b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}