{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2713",
    "entityType": "User",
    "nonce": "0xbc7a9f5b19abb682364844c647d4d3914e291cd5c429ce002a295a7432c5c510",
    "signature": "0x91d3aa2daa716afe6b44e9ed733b0453f5877427a4d053e48113813316dc2f97696d8bb027a896383a9cd53df1b8616a0329e0f2c33de2445ae1b578fee14e781b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}