{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x21bf7814eac2cdd66a6246bd646e7cf2e6b71ca13d9a8dcb32ba45bb00224ea6",
    "signature": "0x66ec68c84578766542e26e85c8b39da23c62afee7b57322b3d129c768b9978fb2aea8e7dc0b7fbfd07357dbe477540f0e1b16e1ecdddc83229f57c58139d7a051b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}