{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331233",
    "entityType": "User",
    "nonce": "0x8758dd41c5c511ff9e8e008a602948afee81b291063b2839f1a472fbdfdcb462",
    "signature": "0x92246aac0cda465d2ce856eb46d5e4eef6a12f9661de3415e4f2b5dd056c212145f3f85d6d6af171df3a9c4db9573e6b9a132c0b5febf8a7c7683d8dacd627931b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}