{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1697789",
    "entityType": "User",
    "nonce": "0xf5a40af34b4e88119856b0cfaa7659e8d623d9fc18eb7c94c2b704c1907245c6",
    "signature": "0x50cc988a9a13d368be110e41a69fadac04180607c652376dbbf15582fd6caa905a71bd51627fee0958def02de81fbd96084f6648af3db10245e69b02e1654b041c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}