{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "901788935",
    "entityType": "User",
    "nonce": "0x371f20de083b51bac07ec506d6cc24ee22a25470fdf5162b0f2f8fde4048ef9f",
    "signature": "0x21f0fee6d0d765ef4b56238f1b3bc562536b34b958fcae476fd3045df42da140247fe492a44e986bb6a8997ab540f8e6195aec8c4e9161dd83e2c9e6f189c7401b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}