{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1676530",
    "entityType": "User",
    "nonce": "0xf062bf9a1e6f621d4d6876f18db68e8008c7d62e927fdf05aaaba1c62461e352",
    "signature": "0x226af2d1b0aadfc2a0ea24e28ea21f7938c27007a512e10d71c565345cb9c94017dc817e9b225ff454f2c5348d96b4c523d2e76c08bb100de9ded9f31adc745d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}