{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1425545",
    "entityType": "User",
    "nonce": "0xe32f1897634cc5f3aee4c2c84906c0ab13b84ad652289d0f47eabc72e54c42dc",
    "signature": "0xb82c066c19aa674d141451621270f31f544e28886e93cd89b53fedfb99a273ef381c206875041128d01f83c745907f89bf3f7af3ff0ac94bf591a2d6fed7ff9f1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}