{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x83b739888b5009c5a51e58f6d69530f8f597b59345233b4385290aeead893404",
    "signature": "0x77202b65680c2c8151ad791d624ac66f59730c777528010d500c11dd98d7c72c134bae48b9f04d3c723a602b8b4436ddf6cf3ed310cae73c5fe81b5749404d9f1b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}