{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52452",
    "entityType": "User",
    "nonce": "0x600e4dca8ea7427cf6d188fd4c2687c776090228b2c856535c20299b1d47a8d3",
    "signature": "0xa9c9ae04836893785545d3e3ce3983338179ede8f750c7a135e8b983911419e0147556288ed9f173c36ccbbbbc35fd24d61b84f5b9c91cef1c7c0df36255cf261c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}