{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x55531d96b78707660af78c5df6ec483a731ef37150e34722127c89df0e8657d4",
    "signature": "0x6bba363ff4470f0933dbfd849702ccf654f6f4c65132c2808cdfb4c247985acd46f601b50d07559069c794c45f6f5991e32e6233fe1c0b8b3d8f9d9d07b4b2521c",
    "signer": "0x8b262faFdaf83161f59cb08401a799Eb5975B8C8",
    "userId": "461998520"
  }
}