{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178912211",
    "entityType": "User",
    "nonce": "0x5e281d5144b6f27e2945354176bc2cdf835a2ade223ef49ec752309b0f26830a",
    "signature": "0x15e3655698df21c556ccbfe7fef679766f3be7317cdb9bc01990dff8964ec89519b41d07d7a03d08f8f020f9ed8b774af5e5f7be8e1a27e875f659e0c2b273d71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}