{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50141",
    "entityType": "User",
    "nonce": "0xb13246ba5621893abec796d321137b6593ec4c57ed66d65a36b10d459cbf36e8",
    "signature": "0x992f9a41c4864bbe4eebac72e5f7a0f4950b626847f9893cbab02f820b2cf9206ef94985569d9ed71d0a4e3401f27e0fb5e83626645756349935a5a4c2178f071b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}