{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbe79ee555ef18d6f379bb020a9bcff3c7d4524d6e096fe5da0a14dac7801650c",
    "signature": "0x96c3045403e4344a142caa98c3d63786b096bd7ae3763303bf3f3e7a1ac0bfb4237e49dbf1bcff3d2e7b7f50771c2ef8bd5518619199d92567fd1186ad06c02f1b",
    "signer": "0x5810782E39cE43d8E760AaAf4311dF42938df8f9",
    "userId": "879028525"
  }
}