{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172308830",
    "entityType": "User",
    "nonce": "0x87a9994b5201e11e6f0b4676a024d57b5859123ae6dd4ec96c5263246d5154c2",
    "signature": "0x55b285ef533c529263da405046d3542bfc262d06f987693971abd16221a9c7a21c6e94c85c2299ca41e729b84ea410611a436e7bcdb5106160f24765a2644c451c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}