{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27127",
    "entityType": "User",
    "nonce": "0xef7ce3c70283ad66e0bfd43db7aef45aaf8a1e376022e1c7dfb959cb6ceb8e3e",
    "signature": "0xdacdd9ee595d6bdc197ea13efec7e0d18867197a38c29c5fa19df3467beafa89726aad467ec508e1883787cfde8425724a77211867e8bcc0d8723437482ceeef1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}