{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1686476",
    "entityType": "User",
    "nonce": "0xf587e0bbc092eecb5d4a69b93365ac7c2c5dbc2dbc0bb45d0f8c0cb9c9cdc84f",
    "signature": "0xc51e98f49689993fac20d99d80948e070005ff2ee5587bb3090309350d94dc222c5a2926b15b6a7e3a200947fedaac1f46e1831c5ddfb88018ed5bfe4ec90bef1c",
    "signer": "0x3765700151BA1793CFdF9F4ef4c8fECA3Ea076DA",
    "userId": "957835565"
  }
}