{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351025407",
    "entityType": "User",
    "nonce": "0x39f0eff24690dabdafb1fc53e147dc5999838aefac5683a5ae97e11c3a9e0a66",
    "signature": "0xbca4468a3db9e70eda9867c319e1b37a64e63b480a671c1be228b2a183ae912a38ae3445d23ae547e2d8c8512e6b7bd0a1911da3fb0fd53f39d0808687a982fe1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}