{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xd5048709ddd9efcca0a77d535ee733fd3045b3aca96d519f98513f0c8737b08c",
    "signature": "0xe08cabaac215ce72c82aba4e8281e702932031023d881728b7db08ed0e16e64368368fa7963785bcd803c80244e07075afa0e12c32f7daf86f43dd2e3d2be72f1b",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}