{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x340b2ea07f97855e7c4eb360e252866360bfd2b91c0d878b05ec2c64758fe77c",
    "signature": "0x85ddea6a272fdbff258dd6302ba4f69b07fe18970370db1465bcc7bc18730a6d3e0bc8d668ab4ebf0516b3296b24af52b458f783743183aba27b6e76b668664f1c",
    "signer": "0xbafc6805d7FB0086B9321532c825BddFD2041f88",
    "userId": "144694181"
  }
}