{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0x14fcb8803d1338779997d8a1df4d5cf87272866034da645ec95684392c2d5385",
    "signature": "0x3f15afb2f50b0f9b338ebd7edbc92965bef08f2b1af0c05639bf21c2d3b479790ec88b8247dc55c1785bcafdc5c271f5a9c1fab42d5da5253f0842816e900eaf1b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}