{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108774",
    "entityType": "User",
    "nonce": "0x888dac070886e80596f4c3f3c8f976bce0f7223a00aa48bfe2816ef6120d6059",
    "signature": "0x3fee62046a8f52c564a70c58d03cb0b6c3afdf3a100ddb54b0485f780cff17ca66491dbe6bb82f2330b4e40cd68f78bd9e1c6c8d9183e1517376cd2bc737b3fe1b",
    "signer": "0x13839b1F022D94fAb7C05558747a2F686429366D",
    "userId": "133653253"
  }
}