{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73735",
    "entityType": "User",
    "nonce": "0x90895179f8132a7c917ccd3139025ed1e6aa4f3040a325809d4e6cdd0904f4f4",
    "signature": "0xf6a733035bae1fe58f92f67eb6a59e3526f83987deda5da554e73406cecfe18c207b438e10a7c5667511c23ec352b245a11a6ead70183eccc1c20507e34c2c5e1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}