{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf49ca61f1956c0f17fa87a3e7f4d232fcf26b3dbdc402d152dbc81d710d2ce3a",
    "signature": "0x7a59880467b30baaa83a878b4b4343b51fb56e8a683d6a4888abad2b06da45d8778778a1838952e1b0d64df79feca9a1cf8b37ef5cd6e0b5a9830c06b06968891c",
    "signer": "0x0494cD95Cb7A0FC39D8433587C369Ee1376886d3",
    "userId": "715460844"
  }
}