{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f1aeab0a6f774adc9219b1da89cd10bbf7a6e889f8cd03d8034294550ca11bf",
    "signature": "0x940db35fd647affe5dfe69ac92cc409bd11ed1c71e2e80a0c7036edef4f7b50c68bca39632e3e17143429cc5232ef527a7de5625f1fea685e935f00899bb9b991c",
    "signer": "0xF88415bdfCb68846481b8d936888f59C051b63ec",
    "userId": "165031186"
  }
}