{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131938",
    "entityType": "User",
    "nonce": "0x18defc521858393ea916ef718d09c90389175217a12c8101d171e1d266bcbefc",
    "signature": "0x5d49ff8269f7621cb137fec5a7c6edee6ee6084faf8f3c60a1fabfd37b50f84c566b2010bdae2420209f2a1e9cf59bd3bd8a0e338dda7877cd64edc2fb47bedb1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}