{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959011763",
    "entityType": "User",
    "nonce": "0x9d18f15da8cd7842990466d58c9e20a74fe8b30b32dd5b2a21aac6c4991caf4a",
    "signature": "0x4fecc46c0dacf361829cb09b90ad6ff39d019a30a086e3b4c2a9fc38f6fface07f9b4f459918d81a9fdf383df1b6825e888e6ea73a229a4bc3c15908767cba631c",
    "signer": "0x97Ce19D122F5b51231cF4DBbd25Ac36CBDd6CACa",
    "userId": "426864186"
  }
}