{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xc5248e47ea0f054002d2e4ed0573306cee9fa916f4439df37f87625a4bd67aaa",
    "signature": "0xcff4b726404d0c891f33ada3dd859bc34a0bd4f729303c80ef59314b122879a258f0cf4fdf178a9f4d0b2737317382afeebdc691c8ef8f6e69ba04e0bf0f62531b",
    "signer": "0xf4e39f23021D832A7D8e37A3e280Bb0E5bC75bFC",
    "userId": "406892069"
  }
}